2
ANTENNA LEAD IN WIRE
GROUND CLAMP
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PARTH)
ELECTRIC SERVICE
EQUIPMENT
ANTENNA DISCHARGE 
UNIT(NEC SECTION 810-20)
Important Safety Instructions
1. Read and follow all instructions.
2. Keep these instructions.
3. Heed all warnings.
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5. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus 
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6. Do not negate the safety purpose of the polarized or grounding-type plug. A polarized plug has 
two blades with one wider than the other. A grounding type plug has two blades and a third 
grounding prong. The wide blade or the third prong is provided for your safety. If the provided plug 
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point where it exits from the component.
8. Do not use this component near water.
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10. Clean only with dry cloth.
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from tip-over.
12. Warning: To avoid any injury caused by lean of  the product, please always ensure the whole 
product was place within the table surface in horizontal.
13. Unplug this component during lightning storms or when unused for long periods of time.
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damaged in any way, such as power supply cord or plug damage, liquid spilled on or objects falling 
onto the component, rain or moisture exposure, abnormal operation, or if the component has been 
dropped.
15. If an outside antenna or cable system is connected to the product, be sure the antenna or 
cable system is grounded so as to provide some protection against voltage surges and built-up 
static charges. Section 810 of the National Electrical Code, ANSI/NFPA No. 70-1984 (Section 
54 of Canadian Electrical Code, Part 1) provides information with respect to proper grounding of 
the mast and supporting structure, grounding of the lead-in wire to an antenna-discharge unit, size 
of grounding conductors, location of antenna-discharge unit, connection to grounding electrodes, 
and requirements for the grounding electrode. See following example: